Adorable sleeping animals

Sleep is one of the most important and mysterious parts of our life. Absolutely all the sleeping creatures look fascinating. Here's a compilation of sleeping animals photos.

Koalas sleep about 22 hours a day!

Sometimes in winter wolves sleep together in groups to keep warm.

Sleeping seal.

Cats need to sleep from 14 to 20 hours a day.

Dogs sleep a lot, too. Puppies need more sleep than adult dogs.

Bats sleep upside down.

If your cat sleeps close to you, takes a nap in your hands or on your knees, it means real love. Sleeping like this a cat shows her trust. Of course it can mean that it's too cold in your room as well.